A GT 710 is actually weaker than Intel integrated graphics, so I wouldn't really expect it to be much of an upgrade at all from your integrated HD 4250.
How much memory a video card has is not really an indicator of how fast it performs － an easy modern example is that a GTX 1060 3GB should pretty much always be way faster than a GTX 1050Ti 4GB.
How much memory a video card has is not really an indicator of how fast it performs － an easy modern example is that a GTX 1060 3GB should pretty much always be way faster than a GTX 1050Ti 4GB.
Dolphin 5.0 CPU benchmark
CPU: Pentium G3258 @ 4.5GHz 1.24v
GPU: Intel integrated
RAM: 4x4GB Corsair Vengence @ DDR3-1600
OS: Linux Mint of some variety + [VM] Win7 SP1 x64
CPU: Pentium G3258 @ 4.5GHz 1.24v
GPU: Intel integrated
RAM: 4x4GB Corsair Vengence @ DDR3-1600
OS: Linux Mint of some variety + [VM] Win7 SP1 x64